 
(* ::Section:: *)
(* SymbolicSum2 *)
(* ::Text:: *)
(*SymbolicSum2 is similar to SymbolicSum (Algegra`SymbolicSum`SymbolicSum was a function to do symbolic summation. It was obsolete from version 3 - all functionality is now autoloaded by Sum), but extended to several double sums..*)


(* ::Subsection:: *)
(* Examples *)